void InsertFilterEntry()
{
filterEntry = new SearchEntry ();
filterEntry.Entry.SetSizeRequest (200, filterEntry.Entry.SizeRequest ().Height);
filterEntry.Parent = notebook;
filterEntry.Show ();
notebook.SizeAllocated += delegate {
RepositionFilter ();
};
filterEntry.TextChanged += delegate {
tree.SetFilter (filterEntry.Text);
galleryTree.SetFilter (filterEntry.Text);
updatesTree.SetFilter (filterEntry.Text);
LoadAll ();
addinTree.ExpandAll ();
galleryTreeView.ExpandAll ();
};
RepositionFilter ();
}